com.meapsoft
Class FeatExtractor

java.lang.Object
  com.meapsoft.MEAPUtil
      com.meapsoft.FeatExtractor

All Implemented Interfaces:

java.lang.Runnable

public class FeatExtractor

extends MEAPUtil

Program that extracts features from the chunks listed in the input files.

Field Summary

static int	feSamplingRate
static int	nfft
static int	nhop

Fields inherited from class com.meapsoft.MEAPUtil

bigEndian, bitsPerSamp, exceptionHandler, frameLatency, mixerToUse, numChannels, progress, samplingRate, signed, slash, stereo, verbose, version, writeMEAPFile

Constructor Summary

FeatExtractor(FeatFile[] infiles, FeatFile outfile, java.util.Vector extractors)
FeatExtractor constructor.

FeatExtractor(FeatFile infile, FeatFile outfile, java.util.Vector extractors)
FeatExtractor constructor.

FeatExtractor(java.lang.String[] args)
FeatExtractor constructor.

FeatExtractor(java.lang.String infile, java.lang.String outfile, java.util.Vector extractors)
FeatExtractor constructor.

Method Summary

double	getHopSize() Get the STFT hop size used by the feature extractors.
double	getWindowSize() Get the STFT window size used by the feature extractors.
static void	main(java.lang.String[] args)
void	printUsageAndExit()
FeatFile	processFeatFile(FeatFile f) Where the magic happens.
FeatFile[]	processFeatFiles() Where the magic happens.
void	run() Set everything up, process input, and write output.
void	setClearNonMetaFeatures(boolean clearNonMF) Should this FeatExtractor clear any non meta features?
void	setFeatureExtractorWeights(java.util.Vector v) Set weights associated with the different FeatureExtractors used by this object.
void	setHopSize(double hopSize) Set the STFT hop size for the feature extractors to use.
void	setup()
void	setWindowSize(double winSize) Set the STFT window size for the feature extractors to use.

Methods inherited from class com.meapsoft.MEAPUtil

bytes2doubles, doubles2bytes, getPaths, getProgress, openAudioWriter, openAudioWriter, openInputStream, openInputStream, parseChunkDist, parseFeatDim, parseFeatureExtractor, parseFeatureExtractor, printCommandLineOptions, printCommandLineOptions, setExceptionHandler

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

feSamplingRate

public static final int feSamplingRate

See Also:

Constant Field Values

nfft

public static int nfft

nhop

public static int nhop

Constructor Detail

FeatExtractor

public FeatExtractor(java.lang.String infile,
                     java.lang.String outfile,
                     java.util.Vector extractors)

FeatExtractor constructor. If no extractors is empty, defaults to AvgMelSpec.

FeatExtractor

public FeatExtractor(FeatFile infile,
                     FeatFile outfile,
                     java.util.Vector extractors)

FeatExtractor constructor. If no extractors is empty, defaults to AvgMelSpec.

FeatExtractor

public FeatExtractor(FeatFile[] infiles,
                     FeatFile outfile,
                     java.util.Vector extractors)

FeatExtractor constructor. If no extractors is empty, defaults to AvgMelSpec.

FeatExtractor

public FeatExtractor(java.lang.String[] args)

FeatExtractor constructor. Parses command line arguments

Method Detail

printUsageAndExit

public void printUsageAndExit()

setup

public void setup()
           throws java.io.IOException,
                  ParserException

Overrides:

setup in class MEAPUtil

Throws:

java.io.IOException

ParserException

processFeatFiles

public FeatFile[] processFeatFiles()
                            throws java.io.IOException,
                                   javax.sound.sampled.UnsupportedAudioFileException

Where the magic happens. Extract features from featFiles.

Throws:

java.io.IOException

javax.sound.sampled.UnsupportedAudioFileException

processFeatFile

public FeatFile processFeatFile(FeatFile f)
                         throws java.io.IOException,
                                javax.sound.sampled.UnsupportedAudioFileException

Where the magic happens. Extract features from file.

Throws:

java.io.IOException

javax.sound.sampled.UnsupportedAudioFileException

run

public void run()

Set everything up, process input, and write output.

Specified by:

run in interface java.lang.Runnable

Specified by:

run in class MEAPUtil

setFeatureExtractorWeights

public void setFeatureExtractorWeights(java.util.Vector v)

Set weights associated with the different FeatureExtractors used by this object.

setClearNonMetaFeatures

public void setClearNonMetaFeatures(boolean clearNonMF)

Should this FeatExtractor clear any non meta features?

setWindowSize

public void setWindowSize(double winSize)

Set the STFT window size for the feature extractors to use.

Parameters:

winSize - - window size in seconds

setHopSize

public void setHopSize(double hopSize)

Set the STFT hop size for the feature extractors to use.

Parameters:

hopSize - - hop size in seconds

getWindowSize

public double getWindowSize()

Get the STFT window size used by the feature extractors.

getHopSize

public double getHopSize()

Get the STFT hop size used by the feature extractors.

main

public static void main(java.lang.String[] args)